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Working Dog - More than two hours of vigorous exercise daily
This is only a guide. Please consult your veterinarian to determine the perfect feeding amount for your dog.
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Product Overview

 This combination of anthelmintic and boticide horse wormer is effective against bots, large strongyles, small bloodworms, ascarids, bots, threadworms, pinworms, hairworms, lungworms, and largemouth stomach worms. Each syringe treats up to 1,250 lb of body weight. Safe for adult horses, breeding stallions, pregnant mares, and foals over six weeks.

Note: SmartPak reserves the right to limit purchase quantities. Maximum quantity 50 on individual quantities, maximum quantity 4 on Value Pack Case of 12.


Made in the USA 

  • Anthelmintic and boticide
  • Safe for adult horses, breeding stallions, pregnant mares, & foals over 6 weeks

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Key Ingredients


Supplement Facts

Ingredient Name Amount Per Serving
Ingredient Name Amount Per Pound

Ingredient Details


Weight Recommended Amount Loading Amount

How the Ingredients Work

Supporting Success


The reviews provided on this website represent the experience of the individual posting the review. We do not adopt, edit, or endorse any of the submissions posted within the reviews section. Rather, the reviews are part of an online community of animal owners that desire to share their particular experience with other individuals. These reviews are not a substitute for discussing the health of your animal with a veterinarian.

SmartPak customers are some of the most conscientious animal owners around. We encourage you to share your experience with the products we sell to help fellow customers to make informed choices for their animals. We do not edit these reviews in any way - they are direct customer-to-customer communication. We do monitor reviews for positive and negative feedback, and use this feedback to improve our selection as well as sharing feedback with product manufacturers to help them improve their products. Please note that we recommend consulting your vet with serious health issues.

Zimecterin is rated 4.8 out of 5 by 42.
Rated 5 out of 5 by from Great Dewormer We love this dewormer and use it in our rotation often.
Date published: 2017-07-27
Rated 5 out of 5 by from paste prices I know you can purchase Zimecterin pretty much anywhere, but Smart Pak offers the best prices
Date published: 2017-05-09
Rated 5 out of 5 by from Great product and price Purchased this for my routine Spring worming. Easy to use, and great price.
Date published: 2017-04-06
Rated 5 out of 5 by from Inexpensive and effective Good price. Horses don't hate this one, they actually seem ok with it which makes worming easier.
Date published: 2016-03-15
Rated 5 out of 5 by from Great for deworming rotation! Inexpensive and works great! Will be buying again in the future. My gelding isn't the biggest fan of its taste but it's fine.
Date published: 2015-10-27
Rated 5 out of 5 by from easily given Easy to administer. Quickly ordered and received!!
Date published: 2015-05-27
Rated 5 out of 5 by from A Necessary Evil Reputable Manufacturer for equine health care. I have used this product for years appears to be working well.
Date published: 2014-01-30
Rated 5 out of 5 by from Ivermectin Used this for Fall deworming. My mare loves the chase of being wormed apparently but once it's in her mouth, she swallows it easily and makes me confident in the product used.
Date published: 2012-08-02
Rated 5 out of 5 by from easy to use I have used this wormer for years. This product is always easy to administer and my horses stay looking great.
Date published: 2011-10-06
Rated 5 out of 5 by from Great Product Have used Zimectrin for over 14 yrs. Great Product! It is in my annual rotation of wormers. Put it in yours.
Date published: 2011-01-05
Rated 5 out of 5 by from Good Product I have been using this product for years. Have not ever had an issue with worms or parasites with any of my horses.
Date published: 2010-12-15
Rated 5 out of 5 by from easy to use My horse objects to any tube in his mouth so I'm not sure about palatability, though he does start eating immediately after. The paste goes in quickly and smoothly if it is warmed in an inside pocket or waist band first.
Date published: 2010-05-03
Rated 5 out of 5 by from excellent horse wormer excellent quality horse wormer, have used for years.easy to use, easily accepted by the horses.
Date published: 2010-04-26
Rated 5 out of 5 by from reliable wormer i have used zimecterin wormer as part of my wormer rotation for the past 20 years and have never had any problems. it is very easy to choose dose and very easy to give to my mare.who isn,t always happy to have something stuck in her mouth!!
Date published: 2010-03-10
Rated 5 out of 5 by from Always in our Deworming Rotation We have a breeding stallions, performance horses, and our gentleman in retirement. The quality, and particularly the effectiveness of the products we use for our horses is of great importance in keeping our "boys" healthy and happy. We have found Zimecterin to be consistent and very effective, so it's part of our yearly deworming rotation.
Date published: 2010-02-10
Rated 5 out of 5 by from Great bargain This product was very easy to administer to my horse, and very reasonably priced.
Date published: 2009-12-29
Rated 5 out of 5 by from great product I have tried the rotating thing, but I have to say I only use Zimectrin all year round because it works best for my horse and recommended by my Vet
Date published: 2009-11-21
Rated 5 out of 5 by from Zimectrin I use Zimectrin and Zimectrin Gold on an alternating basis to keep my horses worm free. Great procuct!
Date published: 2009-11-10
Rated 4 out of 5 by from Good Purchase This is an excellent product. I recommend everyone to use it.
Date published: 2009-10-26
Rated 4 out of 5 by from Zimecterin This was recomended by vet to be one of the equine wormers to use in rotation for my mini donkeys. However to wait to worm my pregnant jenny as she is due within the month as it may cause problems, but will be safe appox. 2 months after birth for foal and mother.
Date published: 2009-07-15
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